There are new after the update

Failed to call hook 'OnServerInitialized' on plugin 'ZoneManager v3.0.17' (ArgumentException: An item with the same key has already been added. Key: oilrigai2)
  at System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) [0x000c1] in <fb001e01371b4adca20013e0ac763896>:0 
  at System.Collections.Generic.Dictionary`2[TKey,TValue].Add (TKey key, TValue value) [0x00000] in <fb001e01371b4adca20013e0ac763896>:0 
  at Oxide.Plugins.Hash`2[TKey,TValue].Add (TKey key, TValue value) [0x00000] in <80b90e8213db44b29ec2d4111764172c>:0 
  at Oxide.Plugins.ZoneManager.CreateZone (Oxide.Plugins.ZoneManager+Zone+Definition definition) [0x0001e] in <b933f254a228486bafbf0c7ad2c478af>:0 
  at Oxide.Plugins.ZoneManager.InitializeZones () [0x0002a] in <b933f254a228486bafbf0c7ad2c478af>:0 
  at Oxide.Plugins.ZoneManager.OnServerInitialized () [0x00000] in <b933f254a228486bafbf0c7ad2c478af>:0 
  at Oxide.Plugins.ZoneManager.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x001ad] in <b933f254a228486bafbf0c7ad2c478af>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <80b90e8213db44b29ec2d4111764172c>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <ec05e0208c9149bba43236ca58fea105>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <ec05e0208c9149bba43236ca58fea105>:0  
Server startup complete
​

Failed to call hook 'OnPlayerConnected' on plugin 'ZoneManager v3.0.17' (NullReferenceException: Object reference not set to an instance of an object)
  at Oxide.Plugins.ZoneManager.OnPlayerConnected (BasePlayer player) [0x00000] in <b933f254a228486bafbf0c7ad2c478af>:0 
  at Oxide.Plugins.ZoneManager.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00395] in <b933f254a228486bafbf0c7ad2c478af>:0 
  at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <80b90e8213db44b29ec2d4111764172c>:0 
  at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <ec05e0208c9149bba43236ca58fea105>:0 
  at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <ec05e0208c9149bba43236ca58fea105>:0  
*.*.*.*:51167/76561############/Sh33p joined [windows/76561############]
[Welcomer] Player Sh33p has joined the server from India